1856004720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{249463}}^1$

素因数の和:249510

約数の個数: 80

約数和(自身を含む): 5939238912

約数和(自身を除く): 4083234192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 249463, 498926, 748389, 997852, 1247315, 1496778, 1995704, 2494630, 2993556, 3741945, 3991408, 4989260, 5987112, 7483890, 7733353, 9978520, 11974224, 14967780, 15466706, 19957040, 23200059, 29935560, 30933412, 38666765, 46400118, 59871120, 61866824, 77333530, 92800236, 116000295, 123733648, 154667060, 185600472, 232000590, 309334120, 371200944, 464001180, 618668240, 928002360, 1856004720]

約数ペア:

[(1, 1856004720), (2, 928002360), (3, 618668240), (4, 464001180), (5, 371200944), (6, 309334120), (8, 232000590), (10, 185600472), (12, 154667060), (15, 123733648), (16, 116000295), (20, 92800236), (24, 77333530), (30, 61866824), (31, 59871120), (40, 46400118), (48, 38666765), (60, 30933412), (62, 29935560), (80, 23200059), (93, 19957040), (120, 15466706), (124, 14967780), (155, 11974224), (186, 9978520), (240, 7733353), (248, 7483890), (310, 5987112), (372, 4989260), (465, 3991408), (496, 3741945), (620, 2993556), (744, 2494630), (930, 1995704), (1240, 1496778), (1488, 1247315), (1860, 997852), (2480, 748389), (3720, 498926), (7440, 249463)]